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Stockholders' Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 17, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Oct. 03, 2019
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Net proceeds from public offering |  |  |  | $ 16,065 |
Preferred stock, shares authorized |  | 50,000,000 | 50,000,000 |  |
Preferred stock, par value |  | $ 0.01 | $ 0.01 |  |
Preferred stock, shares issued |  |  |  |  |
Undesignated [Member] |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Preferred stock, shares authorized |  | 49,000 |  |  |
Series A Preferred Stock [Member] |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Preferred stock, shares authorized |  | 100,000 |  |  |
Preferred stock, shares issued |  |  |  |  | 50,000
Preferred stock, liquidation price per share |  | $ 1,000 |  |  |
Preferred tsock, liquidation preference description |  | The Series A Preferred Stock has a liquidation preference equal to the greater of (i) the original issuance price of $1,000.00 per share, subject to certain adjustments (the "Series A Issue Price"), plus all accrued and unpaid dividends thereon (except in the case of a deemed liquidation event, then 150% of such amount) and (ii) the amount such holder would have received if the Series A Preferred Stock had converted into common stock immediately prior to such liquidation. |  |  |
Number of shares issued for dividends |  | 917,000 |  |  |
Preferred stock, voting rights |  | From and after the delivery of a Series A Voting Activation Notice, all holders of the Series A Preferred Stock will be entitled to vote with the holders of common stock as a single class on an as-converted basis (provided, however, that any holder of Series A Preferred Stock shall not be entitled to cast votes for the number of shares of common stock issuable upon conversion of such shares of Series A Preferred Stock held by such holder that exceeds the quotient of (1) the aggregate Series A Issue Price for such shares of Series A Preferred Stock divided by (2) $5.57 (subject to adjustment for stock splits, stock dividends, combinations, reclassifications and similar events, as applicable)). So long as shares of Series A Preferred Stock are outstanding and convertible into shares of common stock that represent at least 10% of the voting power of the common stock, or the Investors or their affiliates continue to hold at least 33% of the aggregate amount of Series A Preferred Stock issued to the Investors on the Original Issuance Date, the consent of the holders of at least a majority of the outstanding shares of Series A Preferred Stock will be necessary for the Company to, among other things, (i) liquidate the Company or any operating subsidiary or effect any deemed liquidation event (as such term is defined in the Charter), except for a deemed liquidation event in which the holders of Series A Preferred Stock receive an amount in cash not less than the Redemption Price (as defined below), (ii) amend the Company's organizational documents in a manner that adversely affects the Series A Preferred Stock, (iii) issue any securities that are senior to, or equal in priority with, the Series A Preferred Stock or issue additional shares of Series A Preferred Stock to any person other than the Investors or their affiliates, (iv) incur indebtedness above the agreed-upon threshold, (v) change the size of the Company's board of directors to a number other than seven, or (vi) enter into certain affiliated arrangements or transactions. |  |  |
Conversion price per share |  | $ 7.319 |  |  |
Redemption, description |  | At any time after the third anniversary of the Original Issuance Date, subject to certain conditions, the Company may redeem the Series A Preferred Stock for an amount per share, equal to the greater of (i) the product of (x) 1.5 multiplied by (y) the sum of the Series A Issue Price, plus all accrued and unpaid dividends and (ii) the product of (x) the number of shares of common stock issuable upon conversion of such Series A Preferred Stock multiplied by (y) the volume weighted average price of the common stock during the 30 consecutive trading day period ending on the trading date immediately prior to the date of such redemption notice or, if calculated in connection with a Deemed Liquidation Event, the value ascribed to a share of common stock in such Deemed Liquidation Event (the "Redemption Price"). At any time after (i) the 66-month anniversary of the Original Issuance Date, (ii) following delivery of a Mandatory Conversion Notice, or (iii) upon a Deemed Liquidation Event holders of the Series A Preferred Stock may elect to require us to redeem all or any portion of the outstanding shares of Series A Preferred Stock for an amount per share equal to the Redemption Price. |  |  |
Series A Preferred Stock [Member] | Minimum [Member] |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Preferred stock, dividend rate |  | 7.50% |  |  |
Series A Preferred Stock [Member] | Maximum [Member] |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Preferred stock, dividend rate |  | 17.50% |  |  |
Underwritten Public Offering [Member] |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Number of shares issued | 2,609,000 |  |  |  |
Shares issued price per share | $ 5.75 |  |  |  |
Number of shares issued for option exercises | 3,910,000 |  |  |  |
Gross proceeds from public offering, shares | 3,000,000 |  |  |  |
Gross proceeds from public offering | $ 17,300 |  |  |  |
Net proceeds from public offering | $ 16,100 |  |  |  |

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